From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 From: Emil Renner Berthing Date: Mon, 8 Aug 2022 17:15:17 +0200 Subject: dt-bindings: net: Add dwmac-starfive bindings Add bindings for the DWMAC glue layer for the StarFive JH71x0 SoCs. Signed-off-by: Emil Renner Berthing --- Documentation/devicetree/bindings/net/dwmac-starfive.yaml | 119 ++++++++++ Documentation/devicetree/bindings/net/snps,dwmac.yaml | 2 + 2 files changed, 121 insertions(+) diff --git a/Documentation/devicetree/bindings/net/dwmac-starfive.yaml b/Documentation/devicetree/bindings/net/dwmac-starfive.yaml new file mode 100644 index 000000000000..4826895bda6f --- /dev/null +++ b/Documentation/devicetree/bindings/net/dwmac-starfive.yaml @@ -0,0 +1,119 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +# Copyright 2022 Emil Renner Berthing +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/net/dwmac-starfive.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: StarFive JH71x0 DWMAC glue layer + +maintainers: + - Emil Renner Berthing + +description: + This file documents the platform glue layer for using the stmmac driver on + the StarFive JH71x0 RISC-V SoCs. + +select: + properties: + compatible: + contains: + enum: + - starfive,jh7100-gmac + - starfive,jh7110-gmac + required: + - compatible + +allOf: + - $ref: "snps,dwmac.yaml#" + +properties: + compatible: + oneOf: + - items: + - const: starfive,jh7100-gmac + - const: snps,dwmac + - items: + - const: starfive,jh7110-gmac + - const: snps,dwmac-5.20 + + reg: true + + clocks: + minItems: 4 + items: + - description: GMAC main clock + - description: GMAC AHB clock + - description: PTP clock + - description: GTX clock + - description: TX clock + + clock-names: + minItems: 4 + maxItems: 5 + contains: + enum: + - stmmaceth + - pclk + - ptp_ref + - gtxc + - tx + + starfive,syscon: + $ref: "/schemas/types.yaml#/definitions/phandle" + description: phandle to the syscon node + + starfive,gtxclk-dlychain: + $ref: '/schemas/types.yaml#/definitions/uint32' + description: GTX clock delay chain setting + +required: + - compatible + - reg + - clocks + - clock-names + - resets + - reset-names + +unevaluatedProperties: false + +examples: + - | + #include + #include + #include + #include + + gmac0: ethernet@16030000 { + compatible = "starfive,jh7110-gmac", "snps,dwmac-5.20"; + reg = <0x16030000 0x10000>; + clocks = <&aoncrg JH7110_AONCLK_GMAC0_AXI>, + <&aoncrg JH7110_AONCLK_GMAC0_AHB>, + <&syscrg JH7110_SYSCLK_GMAC0_PTP>, + <&syscrg JH7110_SYSCLK_GMAC0_GTXC>, + <&aoncrg JH7110_AONCLK_GMAC0_TX_INV>; + clock-names = "stmmaceth", "pclk", "ptp_ref", + "gtxc", "tx"; + resets = <&aoncrg JH7110_AONRST_GMAC0_AXI>; + reset-names = "stmmaceth"; + interrupts = <7>, <6>, <5>; + interrupt-names = "macirq", "eth_wake_irq", "eth_lpi"; + max-frame-size = <9000>; + phy-mode = "rgmii-id"; + snps,multicast-filter-bins = <64>; + snps,perfect-filter-entries = <128>; + rx-fifo-depth = <2048>; + tx-fifo-depth = <2048>; + snps,fixed-burst; + snps,no-pbl-x8; + snps,force_thresh_dma_mode; + snps,axi-config = <&stmmac_axi_setup>; + snps,tso; + snps,en-tx-lpi-clockgating; + snps,en-lpi; + snps,write-requests = <4>; + snps,read-requests = <4>; + snps,burst-map = <0x7>; + snps,txpbl = <16>; + snps,rxpbl = <16>; + }; diff --git a/Documentation/devicetree/bindings/net/snps,dwmac.yaml b/Documentation/devicetree/bindings/net/snps,dwmac.yaml index d8779d3de3d6..ee32081e6213 100644 --- a/Documentation/devicetree/bindings/net/snps,dwmac.yaml +++ b/Documentation/devicetree/bindings/net/snps,dwmac.yaml @@ -90,6 +90,8 @@ properties: - snps,dwmac-5.10a - snps,dwxgmac - snps,dwxgmac-2.10 + - starfive,jh7100-gmac + - starfive,jh7110-gmac reg: minItems: 1 -- Armbian